ip as-path access-list 100 permit ^[0-9]+_([0-9]+_)?
!
!
route-map PEER1_INBOUND permit 10
 match as-path 1
 set local-preference 1000
!
route-map PEER2_INBOUND permit 10
 match as-path 1
 set local-preference 1000
!
router bgp X
 neighbor 62.100.102.25 route-map PEER1_INBOUND in
 neighbor 85.63.28.153 route-map PEER2_INBOUND in